Bug 830347 - Part 1: Initialize D3D11 device when needed. r=jrmuizel
Bug 830347 - Part 2: Add the code for CompositorD3D11. r=jrmuizel
Bug 830347 - Part 3: Integrate new D3D compositor into widget. r=jmathies
Bug 830347 - Fixed TextureD3D11.h compilation on GCC.
Bug 869936 - Add GetPreferredCompositorBackend to MetroWidget. r=bbondy
Bug 830347 - Fixup Windows omtc code so that it builds builds with the 601 sdk. r=bas